that lapsed in 2004. and he'd like stricter laws on gun trafficking. but senator schumer, just as i challenged wayne lapierre of the nra very hard when this came up, i challenge you as well with a question of, is this really going to make a difference? and rich lawry wrote something that caught my attention in "the national review." no one can write a law against mothers owning guns that one day might be turned against them by deranged sons who then commit horrific acts of murder-suicide. shooting rampages are hard to prevent because they are so often committed by young men with no criminal records who want to die. these are adult facts that don't intrude on the childish world of white house policy making. he notes adam lanza in newtown, his own mother of course passed a background check. >> here's the bottom line. these laws are not perfect. and you'll always find certain exceptions. but they make a huge difference. every major person who has studied the brady law, which is the most significant gun safety law we've passed in the last 20 years has said it has reduced gun violence dramatically.